She was an American actress. Kahn was known primarily for her comedic roles in films such as Paper Moon, Young Frankenstein, Blazing Saddles, What's Up, Doc?, and Clue.
Madeline Kahn was diagnosed with ovarian cancer in early 1999. She underwent treatment and continued to work, continuing her role on Cosby. Kahn married her long-time companion, John Hansbury, in October 1999. However, the disease progressed very rapidly and she died December 3, 1999 in New York City. She was 57 years old. In Central Park, there is a bench erected by her husband and her brother, dedicated in her memory.